Beast Lightmapping Trees

Everytime I make a tree static and Use the Beast Lightmapping that mesh (tree) becomes invisible yet it casts a shadow. The trees I am using are from the Unity Assets, (ie the palm, mimosa). Interestingly enough custom asset rock does cast a shadow and does not become invisible.

How do I fix this?

THIS WORKS !!

  1. Select the tree obj/prefab then under Lightmapping > Object > Scale in lightmap-0…
  2. Bake the tree…
  3. After lightmapping select the tree obj/Prefab…
    then under Lightmapping > Object > Atlas > Lightmap Index-255(By default it should be -0)…

ENJOY!